Raw File
require(bbmle)
x <- 0:10
y <- c(26, 17, 13, 12, 20, 5, 9, 8, 5, 4, 8)
fit <- mle2(y~dpois(lambda=ymax/(1+x/xhalf)), start=list(ymax=25,xhalf=3))
fit2 <- mle2(y~dpois(lambda=(x+1)*slope), start=list(slope=1))
BIC(fit,nobs=length(x))
BIC(fit,fit2,nobs=length(x))
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